CVE-2023-2636 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-2636, a vulnerability affecting the AN_GradeBook WordPress plugin version 5.0.1 and below.

Understanding CVE-2023-2636

CVE-2023-2636 is a SQL injection vulnerability present in the AN_GradeBook WordPress plugin version 5.0.1 and earlier. This vulnerability allows users with subscriber-level roles to exploit the plugin by manipulating a parameter in a SQL statement.

What is CVE-2023-2636?

The CVE-2023-2636 vulnerability arises from the AN_GradeBook WordPress plugin's failure to properly sanitize and escape user input used in SQL queries. This oversight enables unauthorized users to inject malicious SQL code, potentially leading to data manipulation, extraction, or deletion.

The Impact of CVE-2023-2636

With CVE-2023-2636, attackers with subscriber access can exploit the SQL injection vulnerability to gain unauthorized access to the database, extract sensitive information, or perform unauthorized actions within the affected WordPress environment. This poses a significant risk to the security and integrity of the website and its data.

Technical Details of CVE-2023-2636

The following technical details outline the vulnerability, affected systems, and the exploitation mechanism of CVE-2023-2636:

Vulnerability Description

The AN_GradeBook WordPress plugin versions up to 5.0.1 fail to adequately sanitize user input, specifically a parameter used in SQL queries. This oversight allows attackers to insert malicious SQL code, potentially resulting in unauthorized data access or manipulation.

Affected Systems and Versions

The vulnerability affects the AN_GradeBook WordPress plugin up to version 5.0.1. Users utilizing versions of the plugin within this range are susceptible to exploitation if the issue is not addressed promptly.

Exploitation Mechanism

By exploiting the SQL injection vulnerability in the AN_GradeBook plugin, users with subscriber-level roles can manipulate the vulnerable parameter to execute unauthorized SQL queries. This can lead to data breaches, data manipulation, or other malicious activities within the affected WordPress environment.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-2636 and prevent potential exploitation, stakeholders are advised to take immediate steps and implement long-term security practices:

Immediate Steps to Take

Update: Ensure the AN_GradeBook plugin is updated to a secure version that addresses the SQL injection vulnerability.
Monitor: Regularly monitor website logs and user activities for any signs of unauthorized access or malicious behavior.
Access Control: Restrict user roles and permissions to limit the impact of potential security breaches.

Long-Term Security Practices

Regular Audits: Conduct regular security audits and vulnerability scans to identify and address any security gaps.
Training: Provide security awareness training to users and website administrators to promote best security practices.
Security Plugins: Implement security plugins or solutions that offer additional protection against common web application vulnerabilities.

Patching and Updates

Developers of the AN_GradeBook plugin should release a security patch addressing the SQL injection vulnerability promptly. Website administrators are advised to apply the patch as soon as it becomes available to remediate the issue and secure their WordPress environment.